D6.1 Review of applicable standards and recommendations for development

This document focuses on compiling relevant standards and recommendations applicable to the design, implementation, and deployment of flexibility services for electrical networks. We focus primarily on technical aspects.  
The document is structured as follows: 
• Section 2 gives a brief overview of existing flexibility markets. 
• Section 3 provides an overview of the flexibility services architectures. 
• Section 4 provides a review of relevant standards and recommendations. It is dividing the discussion in the following subtopics: data model and ontologies; communication; security; measurement and verification. 
• Section 5 dives into specific available standards of particular relevance. 
• Section 6 covers the role of blockchain in the domain of flexibility.